Friend = Backbone.Model.extend({
	defaults: {
		name: null,
		age: 0
	},
	initialize: function(){
		console.log("Welcome to this world");
		this.bind("error",function(model,err) {
			console.log(err);
		});
	},
	validate: function(attrs){
		if(attrs.age < 0){
			return "Invalid AGE";
		}
	}
	
	
});